Aegithalos is a genus of passerine birds in the family Aegithalidae (bushtits), encompassing majority of the species in the family.
The genus Aegithalos was introduced in 1804 by the French naturalist Johann Hermann to accommodate a single species, Pipra europaea Hermann, 1804. This is a junior synonym of Parus caudatus Linnaeus, 1758, the long-tailed tit. The genus name is a term used by Aristotle for some European tits, including the long-tailed tit.
The genus contains the following eight species: